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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Jun 25, 2026 · Cortex-X925

GPT-20B:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Aug 19, 2026 · AMD Ryzen 9 9955HX3D 16-Core Processor

Global Score
92 vs 87
Hardware Fit
86 vs 81
Quality Score
95 vs 90

Hardware

gpt-oss:20b GPT-20B:20b
MachineNVIDIA NVIDIA_DGX_SparkHP HyperX OMEN Gaming Laptop 16-ap1xxx
CPUCortex-X925AMD Ryzen 9 9955HX3D 16-Core Processor
Cores2032
RAM122 GB31 GB
GPUDevice 2e12AMD Radeon(TM) 610M, NVIDIA GeForce RTX 5070 Laptop GPU
OSUbuntu 24.04.4 LTSMicrosoft Windows 11 Home 10.0.26200
Archarm64x64
Power Modeperformancebalanced

Performance

gpt-oss:20b GPT-20B:20b
Tokens/sec60.736.9
First chunk542 ms902 ms
TTFT3.2 s4.2 s
Load time12.0 s19.5 s
Memory usage12.0 GB13.1 GB
Memory %10%42%

HW Fit Score Breakdown

gpt-oss:20b

Speed
50/50
TTFT
6/20
Memory
30/30

GPT-20B:20b

Speed
47/50
TTFT
7/20
Memory
27/30

Quality

gpt-oss:20b

Reasoning
19/20
Coding
19/20
Instruction
17/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

GPT-20B:20b

Reasoning
19/20
Coding
17/20
Instruction
14/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong

Run yours and compare

$ npm install -g metrillm@latest
$ metrillm

Requires Node 20+ and Ollama or LM Studio running

Or run without installing: npx metrillm@latest